Conical Spring Kit w/ Titanium Retainers – BMW | B38B15

High-performance conical valve spring kit with titanium retainers for BMW | B38B15, improving valve control, high-RPM stability, and durability.

Attributes
Spring Type	Conical Valve Spring
Seat Pressure	84lbs @ 37.00mm
Retainer Material	Titanium

Specs
Outer Spring Od	24.40mm
Outer Spring Id	17.60mm
Inner Spring Od	21mm
Inner Spring Id	14.20mm
Seat Pressure	84lbs @ 37.00mm
Open Pressure	157lbs @ 10.00mm
Max Lift	12.20mm
Coil Bind	23.30mm
Safe Rpm Limit	8000
Retainer	ret-bmb48/te ; ret-bmb48/ti
Retainer Qty	6 ; 6
Seat Locator	seat-bm48/t1
Seat Locator Qty	8
Kit Spring	spr-fe20be
Rate	7.8lbs/mm
Kit Spring Qty	12